Too much to guess at.. I'm a HUGE fan of Conzult Software and Cable.. It makes the Guessing easier if you can see what the ECU is seeing.. I have an '90NA that I've had to change the Cold Start Enrichment Tables on, because she really did not want to do anything when cold.. it would FLOOD Terribly.. By pulling out about 1/2 of the Sold Start Enrichment Fuel, it's happy now when cold.. This is ONLY Necessary on the '90Na.. the '92Na, and the '95Na are running the same Rom Code, but with Stock Enrichment Tables.. Could never figure it out.. So I fixed what I Could.. A History might help to shed some lite on the issue?. Cj
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